Whitaker, a champion show jumper, revealed details of Cavill's proposal in a May 2011 interview with the Belfast Telegraph. "I couldn't believe it when he asked me to marry him," Whitaker, 26, said. "I thought we were there to celebrate his birthday. It was such a surprise and I am so happy."

Best known for his role as Charles Brandon on Showtime's The Tudors, Cavill, 29, will play Clark Kent/Superman in the highly anticipated 2013 superhero film Man of Steel. His other TV and film credits include Immortals, Tristan + Isolde, The Count of Monte Cristo and Stardust.